Senior FrontendReact • TypeScriptPerformance • A11y

Sebastian Pellitero

I build scalable, accessible web apps with React + TypeScript — with a taste for clean architecture, ruthless performance, and UI that doesn’t fight the user.

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Frontend Architecture

Component systems, design tokens, scalable patterns, predictable state.

Performance

Core Web Vitals, LCP/INP/CLS, hydration strategy, smart loading.

Accessibility

Keyboard-first UX, screen readers, semantic HTML, WCAG mindset.